The boy said ________ couldn't he work out the problem but his teacher didn't know how to do it.
I can guess you___________ your sweater inside out.
It is only when you nearly lose someone ____________ you fully realize how much you value him.
--I'm going downtown. --Come on. __________.
--Shall Mary come and play computer games?--No, __________ she has finished her homework.
--I'm sorry, I shouldn't have been so rude to you.--You___________ your temper but that's OK.